I have read that the Salifert & API test for NO3 different. API measures total nitrate, Salifert measures nitrate-nitrogen. To adjust you divide API by 4.4 or multiply Salifert by 4.4.
But yes I have had a bad batch of API NO3
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I have read that the Salifert & API test for NO3 different. API measures total nitrate, Salifert measures nitrate-nitrogen. To adjust you divide API by 4.4 or multiply Salifert by 4.4.
But yes I have had a bad batch of API NO3
Last edited by wesheltonj; Fri, 27th Jun 2008 at 10:54 PM.
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